tub drain assembnly

I have a Watco Flexible Drain that I am installing on a bathtub renovation. Need to move drain over to accommodate larger tub. The Schedule 40 PVC I need to connect it to had a slip-joint with a brass drain assembly previously. The Watco has a female connection that a 1 1/2 Schedule 40 PVC...

Is this ok? Problem is I need drain IN joist bay, not above floor level, (I have a toilet just left of tub area, so a finished floor). I would run overflow pipe straight down but do not want to cut any more of the joist out. Will this gurgle at all when used as a shower? As a tub? Suggestion?

First time posting. I have done quite a bit of Googling, but I would really appreciate expert opinions. The attached pdf shows a pretty accurate scale drawing of what I want to do. Because of the existing setup, in our recently purchased house, the tub has to go to the left of the washer and the...

Long story short, right now i'm installing a new tub drain/overflow assembly because I sheared off the bolts that hold the overflow cover to the plumbing, then broke off my extractors trying to get them out. It's been wonderful. It looks like all of this plumbing is original, despite the...